Mariko Jinnouchi

As the dedicated housewife of the Jinnouchi family, this 71-year-old woman plays a central role in the lives of her loved ones. She is the daughter of Sakae Jinnouchi and carries the important responsibility of being a mother to both Riichi and Rika Jinnouchi. Her character serves as a foundational pillar within her family's domestic life, maintaining the household through her enduring connection to her parents and children.